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首页> 外文会议>Indonesian Petroleum Association Convention and Exhibition >A CORRELATION OF CLIMATE STRATIGRAPHY WITH BIOSTRATIGRAPHY TO CONFIRM STRATIGRAPHIC UNITS IN THE SEBATIK AREA
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A CORRELATION OF CLIMATE STRATIGRAPHY WITH BIOSTRATIGRAPHY TO CONFIRM STRATIGRAPHIC UNITS IN THE SEBATIK AREA

机译：生物结构与生物结构与生物学性能的相关性，以确认SebATik地区的地层单位

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The Sebatik PSC, operated by Star Energy, is situ- ated in the northern part of the Tarakan Basin, North Kalimantan Province close to the border with Malaysia. The PSC lies mainly in shallow water but also includes parts of Nunukan and Sebatik Islands in the north and goes beyond the shelf break in to deeper water to the east. The discovery of Badik by Anadarko in 2010 has opened up a new phase of appraisal drilling in the shallow water area of the Tarakan Basin. This discovery lies some 40 km south of, and within the same structural compart- ment as the nearest offshore prospects identified in Sebatik PSC. The pay sand in Badik is believed to be Late Miocene and Pliocene in age. One of the geological challenges within the area is the difficulty in correlating stratigraphic units with biostratigraphic data. This leads to problems in cali- brating seismic using well data. The purpose of this study is to establish a stratigraphic correlation of well data and therefore facilitating the prediction of reservoir targets in prospects already identified from seismic interpretation. In order to achieve this, a new approach using the INPEFA Log Transform technique has been applied. The main interest of the study was the reservoir targets within the shallow water area of the PSC. The INPEFA Log Transform technique, developed by ENRES, is a method based on climate stratigra- phy creating real surfaces and depositional trends according to pattern recognition. Climate stratigra- phy is based on the principles of global cyclostrati- graphy which develops the idea that climate change goes through recognizable and predictable patterns, and that lithofacies variation can be predicted from these patterns. From the identification of 16 stratigraphic packages covering the Miocene to Pleistocene section it was possible to create a high resolution stratigraphic correlation in the Sebatik area. The study shows that there is a reasonable correlation between strati- graphic and biostratigraphic data. The evaluation of reservoir-seal quality based on the result of this study has also been determined. The results suggest that potentially the best reservoir capacity can be expected in the Late Miocene and Pliocene sedi- mentary section.
机译：由Star Energy经营的SebaTik PSC在北卡马坦省塔拉坎盆地北部，靠近马来西亚的边界。 PSC主要位于浅水区，还包括北部的少山和Sebatik群岛的部分，超越货架休息进入东部的深水。 Anadarko在2010年对Badik的发现已经开辟了塔拉卡盆地浅水区评价钻探的新阶段。这一发现南方约40公里处，在同一结构组合中，作为SebATik PSC中识别的最近的离岸前景。 Badik中的薪水被认为是晚期内联和临时的年龄。该地区内的地质挑战之一是难以将地层单位与生物数据库数据相关联。这导致使用井数据的Cali-Brys Seismic问题。本研究的目的是建立井数据的地层相关性，从而促进了已经从地震解释所识别的前景中的储层目标的预测。为了实现这一目标，已应用使用Inpefa日志变换技术的新方法。该研究的主要兴趣是PSC浅水区内的储层靶标。由ENLES开发的INPEFA日志变换技术是一种基于气候Stratigra-PHY的方法，根据模式识别创建真实表面和沉积趋势。气候stratigra-phy基于全球性环路图的原则，这开发了气候变化通过可识别和可预测的模式的想法，并且可以从这些模式预测锂外变化。从鉴定覆盖中西烯的16个地层包，可以在SebAtik地区创造高分辨率地层相关性。该研究表明，图谱与生物数据库数据之间存在合理的相关性。还确定了基于本研究结果的储层密封质量的评估。结果表明，可在后期和全茂镇定段中预期最佳的储层能力。

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